How many ISPs are keeping tabs on you? <a href="http://www.wired.com/politics/onlinerights/news/2007/05/isp_privacy">Wired has done a bit of snooping itself to find the answer</a>.

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Wired News, with help from some readers, attempted to get real answers from the largest United States-based ISPs about what information they gather on their customers' use of the internet, and how long they retain records like IP addresses, e-mail and real-time browsing activity. Most importantly, we asked what they require from law-enforcement agencies before coughing up the data, and whether they sell your data to marketers. Only four of the eight largest ISPs responded to the 10-question survey, despite being contacted repeatedly over the course of two months. Some ISPs wouldn't talk to us, but gave answers to customers responding to a call for reader help on Wired's Threat Level blog.